His eldest son Joseph Nyagah is a cabinet Minister in the ministry of coperatives as a nominated MP by the ODM party, and a former member of parliament for Gachoka constituency. Joseph Nyagah is a pentagon member of the Orange Democratic Movement (ODM), a major political party. His eldest daughter is currently an ambassador. His second son Norman Nyagah is the former Member of parliament for Kamukunji Constituency constituency and also the former Govt Chief Whip. His other son Nahashon Nyagah, is a former Governor of the Central Bank of Kenya. He is also survived by a last born daughter called Rachael. His wife Eunice Wambeere Nyagah died on October 29, 2006.